Basics of Logarithms

What is the log form of 5³ = 125?

• log₅3 = 125

• log₃5 =125

• log₅125=3

• log₃125 =3

Evaluate the Logarithm: log₄(1/256)

• 4

• -4

• 64

• -64

What is the base of the logarithm:
log₂(16) = 4 ?

• 2

• 10

• 16

• 4

What is the base of the logarithm:
log(100) = 2 ?

• 2

• 10

• e

• 50

Solve the equation for x.

• 7.389

• 0.693

• 0.0183

• 6.581

Log with a base "e" (log_e) is the same thing as...

• "e"

• Natural Logarithm (LN)

• Common Logarithm (Log)

• Natural Log, base "e"
  LN_e

Log with a base "e" (log_e) is the same thing as...

• "e"

• Natural Logarithm (LN)

• Common Logarithm (Log)

• Natural Log, base "e"
  LN_e

• x = 2

• x = -2

• y = 2

• y = -2

Solve for x:

• 1

• 2

• .5

• 4

Write in logarithmic form.
5² = 25

• log₅2 = 25

• log₂25 = 5

• log₂₅5 = 2

• log₅25 = 2